Check the listing for details. Glock G19 Chamber Flag Magazine Block. Condition: New. Listed at 14.00 USD. Magazine Block Chamber Flag for Glock G19 & Pistol Caliber Carbines that use Glock magazines Safely hold your bolt open for ranges and matches that require mag blocks / chamber flags, without putting plastic into your barrel. Each flag is printed with high quality and attention to detail - not the square and blotchy prints other suppliers are selling. Design Features:Flag is designed to prevent contact with extractorsLength replicates 15 round Glock 9mm magazineAmbi mag catch for Gen3 and up Rounded corners for easy insertion and smooth handling Most orders with ship within 1 business day. See my other listings for more 22 LR chamber flag options for Vudoo, Rim-X, Bergara, Ruger 10/22 RPR, Tikka, CZ, Anschutz, and now AR pattern MSRs! If you have other models you'd like to see flag for, please send me a message.